and what good does that do us?

Here is the problem  you are showing a deposit  proof it belongs to  coinbase

https://blockchain.info/tx/3b3eb0ba100e80cb76f925f35e53fdc7bb9d527723c5539d4d0dd6c6602de540


https://blockchain.info/address/17AvwighEWzHcB17XpFLAnXeLMvFR8aLuZ


this address could be any ones  address.

don't  ever send with out screen shots  .

there is zero proof the adress you sent to is coinbase.


Not saying it did not happen.

I am still missing 2 ETC sent to me.  from an exchange